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Callan Bentley's Snapshots

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  1. Joints

    Snapshot Title: Joints
    Taken by: Callan Bentley

    Image: Soft sediment deformation in Hampshire Formation
    Image Owner: Callan Bentley



    Description:

    Vertically oriented



  2. Sand body pinches out

    Snapshot Title: Sand body pinches out
    Taken by: Callan Bentley

    Image: Hampshire Formation redbeds, from a higher perspective
    Image Owner: Callan Bentley



    Description:

    to the west, swells in thickness as you trace it out to the east.



  3. Hackle fringe!

    Snapshot Title: Hackle fringe!
    Taken by: Callan Bentley

    Image: Hampshire Formation redbeds, from a higher perspective
    Image Owner: Callan Bentley



    Description:

    Edge of a fracture



  4. Small fault?

    Snapshot Title: Small fault?
    Taken by: Callan Bentley

    Image: Hampshire Formation redbeds, from a higher perspective
    Image Owner: Callan Bentley



    Description:

    Apparently, there's a small thrust here, displacing east (left) over west (right).



  5. Small fault?

    Snapshot Title: Small fault?
    Taken by: Callan Bentley

    Image: Hampshire Formation strata
    Image Owner: Callan Bentley



    Description:

    Apparent offset slightly displaces east (left) over west (right)



  6. Turkey Vulture

    Snapshot Title: Turkey Vulture
    Taken by: Callan Bentley

    Image: Hampshire Formation strata
    Image Owner: Callan Bentley



    Description:

    soaring high, trailing annotations



  7. Prius

    Snapshot Title: Prius
    Taken by: Callan Bentley

    Image: Hampshire Formation redbeds, from a higher perspective
    Image Owner: Callan Bentley



    Description:

    for scale



  8. Prius

    Snapshot Title: Prius
    Taken by: Callan Bentley

    Image: Hampshire Formation strata
    Image Owner: Callan Bentley



    Description:

    for scale



  9. Pillows of sand in mudstone

    Snapshot Title: Pillows of sand in mudstone
    Taken by: Callan Bentley

    Image: Soft sediment deformation in Hampshire Formation
    Image Owner: Callan Bentley



    Description:

    .



  10. Pillows

    Snapshot Title: Pillows
    Taken by: Callan Bentley

    Image: Soft sediment deformation in Hampshire Formation
    Image Owner: Callan Bentley



    Description:

    of sand have almost completely separated from one another as their dense masses sagged downward into the Devonian mud.



  11. Pillow

    Snapshot Title: Pillow
    Taken by: Callan Bentley

    Image: Soft sediment deformation in Hampshire Formation
    Image Owner: Callan Bentley



    Description:

    of sandstone, showing the downward flexing of its internal layering



  12. "Flames" of mud shooting up

    Snapshot Title: "Flames" of mud shooting up
    Taken by: Callan Bentley

    Image: Soft sediment deformation in Hampshire Formation
    Image Owner: Callan Bentley



    Description:

    between sagging "pillows" of sand



  13. Lens cap

    Snapshot Title: Lens cap
    Taken by: Callan Bentley

    Image: View from Spruce Knob, looking south
    Image Owner: Callan Bentley



    Description:

    (63 mm diameter) for scale



  14. Lens cap

    Snapshot Title: Lens cap
    Taken by: Callan Bentley

    Image: Soft sediment deformation in Hampshire Formation
    Image Owner: Callan Bentley



    Description:

    (63 mm diameter) for scale



  15. Karst topography back in this area

    Snapshot Title: Karst topography back in this area
    Taken by: Callan Bentley

    Image: Looking west from Spruce Knob, West Virginia
    Image Owner: Callan Bentley



    Description:

    Sinks of Gandy Creek, Stillhouse Cave, etc.



  16. Trees are asymmetric

    Snapshot Title: Trees are asymmetric
    Taken by: Callan Bentley

    Image: Looking west from Spruce Knob, West Virginia
    Image Owner: Callan Bentley



    Description:

    Longer branches on the east; shorter branches on the west side.



  17. Trees are asymmetric

    Snapshot Title: Trees are asymmetric
    Taken by: Callan Bentley

    Image: Looking west from Spruce Knob, West Virginia
    Image Owner: Callan Bentley



    Description:

    Shorter limbs on the western side; longer limbs on the eastern side.



  18. Spruce cones

    Snapshot Title: Spruce cones
    Taken by: Callan Bentley

    Image: Looking west from Spruce Knob, West Virginia
    Image Owner: Callan Bentley



    Description:

    .



  19. Hackle fringe

    Snapshot Title: Hackle fringe
    Taken by: Callan Bentley

    Image: Plumose structure, route 55, West Virginia
    Image Owner: Callan Bentley



    Description:

    .



  20. Concentric ribs

    Snapshot Title: Concentric ribs
    Taken by: Callan Bentley

    Image: Plumose structure, route 55, West Virginia
    Image Owner: Callan Bentley



    Description:

    joint propagation from left to right.



  21. Concentric ribs

    Snapshot Title: Concentric ribs
    Taken by: Callan Bentley

    Image: Plumose structure, route 55, West Virginia
    Image Owner: Callan Bentley



    Description:

    joint propagation from bottom to top



  22. Concentric ribs

    Snapshot Title: Concentric ribs
    Taken by: Callan Bentley

    Image: Plumose structure, route 55, West Virginia
    Image Owner: Callan Bentley



    Description:

    ???



  23. Plumose structure

    Snapshot Title: Plumose structure
    Taken by: Callan Bentley

    Image: Plumose structure, route 55, West Virginia
    Image Owner: Callan Bentley



    Description:

    showing spreading pattern of hackles



  24. Lens cap

    Snapshot Title: Lens cap
    Taken by: Callan Bentley

    Image: Plumose structure, route 55, West Virginia
    Image Owner: Callan Bentley



    Description:

    (63 mm wide) for scale



  25. Fold hinge

    Snapshot Title: Fold hinge
    Taken by: Callan Bentley

    Image: Hanging Rock Anticline, West Virginia
    Image Owner: Callan Bentley



    Description:

    is somewhere about here: strata east of this dip east, and strata west of this dip west.



  26. Rills

    Snapshot Title: Rills
    Taken by: Callan Bentley

    Image: Hanging Rock Anticline, West Virginia
    Image Owner: Callan Bentley



    Description:

    The soil up top isn't weathering the elements as well as the blocky quartzite down below.



  27. Cars returning from Lost River State Park?

    Snapshot Title: Cars returning from Lost River State Park?
    Taken by: Callan Bentley

    Image: Hanging Rock Anticline, West Virginia
    Image Owner: Callan Bentley



    Description:

    ...perhaps?



  28. Does BP count as an attraction?

    Snapshot Title: Does BP count as an attraction?
    Taken by: Callan Bentley

    Image: Hanging Rock Anticline, West Virginia
    Image Owner: Callan Bentley



    Description:

    .



  29. Road sign for the Baker exit

    Snapshot Title: Road sign for the Baker exit
    Taken by: Callan Bentley

    Image: Hanging Rock Anticline, West Virginia
    Image Owner: Callan Bentley



    Description:

    Intersection of 55 with 29 and 259.



  30. Lost River sign

    Snapshot Title: Lost River sign
    Taken by: Callan Bentley

    Image: Hanging Rock Anticline, West Virginia
    Image Owner: Callan Bentley



    Description:

    That's what the bridge goes over.



  31. Thrust fault

    Snapshot Title: Thrust fault
    Taken by: Callan Bentley

    Image: Hanging Rock Anticline, West Virginia
    Image Owner: Callan Bentley



    Description:

    Low-angle fracture is a fault with <2 m of offset. See this blog post for more detail and a better view: www.nvcc.edu/home/cbentley/geoblog/2009/03/route-55-west-virginia.html Will open in a new tab or window



  32. Large-scale trough cross-bedding

    Snapshot Title: Large-scale trough cross-bedding
    Taken by: Callan Bentley

    Image: Hanging Rock Anticline, West Virginia
    Image Owner: Callan Bentley



    Description:

    Concave up: these strata are right-side-up.



  33. Strata dipping to the west

    Snapshot Title: Strata dipping to the west
    Taken by: Callan Bentley

    Image: Rose Hill Formation / Tuscarora Formation contact
    Image Owner: Callan Bentley



    Description:

    But if you walked east, you would find them flatten out (horizontal) and then dip to the east: that's the Hanging Rock Anticline. For a view of what this vast fold looks like from a more easterly pers...



  34. Contact

    Snapshot Title: Contact
    Taken by: Callan Bentley

    Image: Hanging Rock Anticline, West Virginia
    Image Owner: Callan Bentley



    Description:

    Between the Tuscarora Formation and the overlying (darker colored, more finely-bedded) Rose Hill Formation. For a more detailed look at this contact, see this GigaPan:
    gigapan.com/gigapans/111...



  35. Wife of the GigaPanner

    Snapshot Title: Wife of the GigaPanner
    Taken by: Callan Bentley

    Image: Hanging Rock Anticline, West Virginia
    Image Owner: Callan Bentley



    Description:

    off checking on the wildflowers



  36. CALLAN

    Snapshot Title: CALLAN
    Taken by: Callan Bentley

    Image: Hanging Rock Anticline, West Virginia
    Image Owner: Callan Bentley



    Description:

    license plate of the GigaPanner



  37. Prius

    Snapshot Title: Prius
    Taken by: Callan Bentley

    Image: Hanging Rock Anticline, West Virginia
    Image Owner: Callan Bentley



    Description:

    for scale



  38. Spoils of road-cutting

    Snapshot Title: Spoils of road-cutting
    Taken by: Callan Bentley

    Image: Rose Hill Formation / Tuscarora Formation contact
    Image Owner: Callan Bentley



    Description:

    The white-colored debris piled up in this drainage is the rock (mostly Tuscarora quartzite) that used to fill the volume where Route 55 now passes through the mountain. Lots of mullein growing on it.



  39. Rose Hill

    Snapshot Title: Rose Hill
    Taken by: Callan Bentley

    Image: Rose Hill Formation / Tuscarora Formation contact
    Image Owner: Callan Bentley



    Description:

    This is what the Rose Hill looks like in outcrop: It's dark brown and rather thinly-bedded.



  40. Tuscarora

    Snapshot Title: Tuscarora
    Taken by: Callan Bentley

    Image: Rose Hill Formation / Tuscarora Formation contact
    Image Owner: Callan Bentley



    Description:

    This is what the Tuscarora looks like in outcrop: It's white and massive.



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